Legg Mason's Harry "Hersh" Cohen shares his tips for finding companies that can pay out cash long into the future.

As chief investment officer at ClearBridge Advisors (a stock-investment unit of Legg Mason), Cohen has argued for more than two years that high-quality, dividend-paying stocks are appropriate for these times. And in today's low-interest-rate environment, Cohen says that there's no better alternative for income-hungry investors.